* {
  margin: 0px;
  padding: 0px;
  box-sizing: border-box;
  list-style: none;
  outline: none;
  text-decoration: none;
}

body {
  background: #eee;
}

.center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%)
}

.center-y {
  position: absolute;
  top: 50%;
  transform: translate(0, -50%)
}